app/src/main/res/layout/scan_action.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".ui.scan.ScanFragment">
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id="@+id/scan_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:contentDescription="@string/title_scan"
android:src="@drawable/scan_transparent_icon"
android:layout_gravity="bottom|center"
android:layout_marginBottom="150dp"
app:elevation="0dp"
app:pressedTranslationZ="0dp"
app:borderWidth="0dp"
app:fabCustomSize="100dp"
app:maxImageSize="100dp"
app:backgroundTint="#00000000" />
</androidx.coordinatorlayout.widget.CoordinatorLayout>